Give two reasons why rainwater harvesting is important in India. Name two states which practise rainwater harvesting in India.
Ans. Rainwater harvesting is important because
(i) India has seasonal erratic and uneven rainfall.
Also, in the dry season, some parts of India have scarcity of water, e.g. in Rajasthan.
(ii) With the help of rainwater harvesting techniques, water can be conserved and used during the dry season.
Two state practising rainwater harvesting in India Rajasthan and Gujarat practise rainwater harvesting in India.